阶段9开发完成

src/views/ParticlePanel.vue

@@ -850,7 +850,8 @@ async function loadSelectedPreset() {
     configMessage.value = `已加载预设：${file.replace(/\.json$/i, '')}`
   } catch (error) {
     configError.value = true
-    configMessage.value = error instanceof Error ? error.message : String(error)
+    const message = error instanceof Error ? error.message : String(error)
+    configMessage.value = `${message}，请检查预设文件命名`
   } finally {
     presetLoading.value = false
     selectedPreset.value = ''